In a production lot, 20% of widgets are blue and the rest are black. One-half of widgets are made of silver and the rest

This topic has expert replies
Moderator
Posts: 7187
Joined: Thu Sep 07, 2017 4:43 pm
Followed by:23 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

In a production lot, 20% of widgets are blue and the rest are black. One-half of widgets are made of silver and the rest are made of gold. If 10% of the widgets are silver and blue, and 80 are black and gold, how many total widgets are there?

A. 140
B. 160
C. 180
D. 200
E. 250


OA D

Source: Veritas Prep

Legendary Member
Posts: 2218
Joined: Sun Oct 29, 2017 2:04 pm
Followed by:6 members
BTGmoderatorDC wrote:
Tue Aug 02, 2022 5:19 am
In a production lot, 20% of widgets are blue and the rest are black. One-half of widgets are made of silver and the rest are made of gold. If 10% of the widgets are silver and blue, and 80 are black and gold, how many total widgets are there?

A. 140
B. 160
C. 180
D. 200
E. 250


OA D

Source: Veritas Prep
\(\dfrac{x}{5} - \dfrac{x}{10} = \dfrac{x}{2} - 80\)
\(x = 200\)

Therefore, D